Subtract 63/16 from 9/45
1st number: 9/45, 2nd number: 3 15/16
9/45 - 63/16 is -299/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 16 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 45 × 16 = 720,
9/45 = 9 × 16/45 × 16 = 144/720 - Likewise, for the 2nd fraction, since 16 × 45 = 720,
63/16 = 63 × 45/16 × 45 = 2835/720 - Subtract the two like fractions:
144/720 - 2835/720 = 144 - 2835/720 = -2691/720 - After reducing the fraction, the answer is -299/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/45-63/16 9/90-63/16 9/45-63/32 27/45-63/16 9/45-63/48 9/45-63/80 63/45-63/16